<!DOCTYPE html>
<html>
	<head>
		
		<title></title>
	</head>
	<body>
		<script type="text/javascript">
			//随机点名
			var students = ["江川","陶星宇","邓宏立","周中昊","程瀚莘"];
			// Math.random() 生成随机的下标
			var index = parseInt(Math.random()*students.length);
			document.write(students[index]);
		</script>
	</body>
</html>